Dear Friend, First of all, We are much Appreciated for your great business to us! Also deeply Apologize for the troubles we have. Everything would be good if the out source gasket donut supplier did not shut down their business suddendly. That's really embarrassed us a lot Due to it's very special components on the market and can not find a new replaced one immediately. Its won't be happened if we did not misunderstanding that you don't mind about the missing 2pcs, But its 2pcs missing for in total 200pcs. That's really a bug and So sorry for our english. Also, We now find a new way out to resolve it and i have massaged you at the same time, And we are definitely willing do something to compensate it if you are interested in our new designs. Please accept to our sincerely Apologize my friend, We will try to improve ourselves and serve you better.